[3] By the 1950s he was producing or overseeing the production of many of the Warner Bros. films made at Elstree and elsewhere in Europe such as Captain Horatio Hornblower R.N.

[10] In the contemporary Australian publicity handouts for The Sundowners, the section describing the choice of locations quotes (and describes) Gerry Blattner thus:[11] 'The whole effect is a visual one,' explains Gerry Blattner, the tubby English producer with a satisfied finality in his voice.

[12] Although born in Liverpool in 1913,[13] the later years of his childhood were spent in Hertfordshire after his father bought the Ideal Film Company studio in Elstree in 1928.

He married in 1943 during the production of the film Theatre Royal, which starred Flanagan and Allen: Barbara K. Emary recalled that they gave a china tea set as a wedding present, but dropped it as a joke as it was being handed over.

[14] He had one daughter, Sandra, whose marriage to David Benson was attended by many film star friends of her father.